Topic 1: Rotation and Revolution
Astronomy is the study of what?
a. moon, stars, and objects in space
b. moon, stars, and astronauts
c. moon, sun, and stars only
a. moon, stars, and objects in space
What does revolution mean in astronomy?
a. the movement of one object around itself
b. spinning of Earth
c. the movement of one object around another
c. the movement of one object around another
The axial tilt causes the sun's rays to hit Earth at different what?
a. frequencies
b. intensities
c. durations
b. intensities
Mass stays constant while weight can change.
What is another word for "constant?"
Consistent, steady, stable, same
A crescent moon looks like __________.
And a gibbous moon looks like _____________.
crescent= thin, curved sliver like a "C", less than half lit
gibbous= rounded, showing more than half but not the full face, more than half lit
The planets revolve around the what?
a. moon
b. stars
c. sun
c. sun = the center of our solar system!
How long is Earth's revolution?
a. 365 days
b. 365 and 1/4 days
c. 375 days
b. 365 and 1/4 days
The tilt of the Earth changes the ___________ on different areas of the planet.
a. axial tilt
b. Summer Solstice
c. angle of isolation/sunlight
c. angle of isolation/sunlight
What is mass?
a. the amount of mass an object has
b. the amount of matter an object has
c. the measure of gravitational pull an object has
b. the amount of matter an object has
Define waning
Moon is lit on the left side, shrinking left side is lit, C-shaped
What is rotation?
a. the moving of the moon
b. the spinning of Earth on its axis
c. the spinning of the Sun on its axis
b. the spinning of Earth on its axis
A calendar is used for _________ time.
It defines the parts of year, such as the ________, _______, and _________.
It also is used for length and divisions of a ______.
A calendar is used for ORGANIZING time.
It defines the parts of year, such as the BEGINNING, MIDDLE, and END.
It also is used for length and divisions of a YEAR.
Areas receiving ______ sunlight are warmer.
Areas receiving ______ sunlight are cooler.
a. indirect, direct
b. direct, indirect
c. opposite, direct
d. none
b. direct, indirect
What is weight?
a. the measure of the pull of gravity on an object
b. the measure of length x distance
c. the measure of amount of matter an object has
a. the measure of the pull of gravity on an object
Define waxing
growing, right side is lit
How long is the length of Earth's rotation?
a. 2 days
b. 72 hours
c. 24 hours
c. 24 hours
What is the shape of Earth's revolution?
a. oval orbit
b.ellipse/elliptical orbit
c. rotational orbit
b.ellipse/elliptical orbit
How does the revolution of the Earth around the sun cause different seasons?
The revolution of Earth around the sun causes different seasons because changing the amount of direct/indirect sunlight to strike the planet at different times of the year.
Define gravity.
A _______ that causes 2 _________ to be _________ toward each other.
force
2 objects
attracted/pulled
Topic 7 Switch Up! Explain what the story "Boy We Were Wrong About the Universe" teaches us about the universe. Can you think of 2 things?
Science is a process of improvement
The evolution of knowledge
The power of observation and technology
The solar system is dynamic
Encouraging future discovery
What is day and night caused by?
a. revolution
b. rotation
c. neither of these
b. rotation
Describe the cause of day and night using these words:
- Earth
- rotation (spinning)
- axis
- day
- sunlight
- night
The Earth undergoes rotation (spinning) on its axis.
The side of Earth facing the sun experiences day as sunlight hits that side of the planet.
The opposite side of Earth not facing the sun experiences night.
Give 1 characteristic of each time of the year:
Vernal/Spring Equinox
Summer Solstice/June
Winter Solstice/December
Autumn/Fall Equinox
Any mention of correct time of year, dates, start of a season, how the sun is positioned
3 PART QUESTION
1: What units do we measure gravity in?
2: Is gravity a pushing or pulling force?
3: Describe the relationship between mass and gravity. The greater the ______, the greater the _____ of gravity.
1: Newtons (n) or m/s
2: pulling
3: the greater the MASS, the greater the FORCE of gravity
Can you describe the appearance of a lunar eclipse?
Can you describe the appearance of a solar eclipse?
Lunar eclipse- during full moon, moon is in the Earth's shadow
Solar eclipse- during new moon, moon's shadow hits earth